US4019519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nerve stimulating device
Assignee: Neuvex Inc
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Filing: 1975-07-08
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Granted: 1977-04-26
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Expires: 1995-07-08
Abstract
Abstract A pulse generator for providing timed pulses of adjustable amplitude and constant width for nerve stimulation at selected portions of a body. The timed pulses of positive and negative amplitude are generated alternatinely and the period can be precisely set.
Inventors
- 👤 Leonardus Johannes Geerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3381; A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/36014; A61N1/3603; A61N1/36034; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/661; H03K17/665; H03K17/666; H03K17/667; H03K3/00; H03K3/02; H03K3/027
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
88 words
A pulse generator circuit for generating timed pulses of regulated amplitude and constant width comprising: oscillator means for providing timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producing output timed pulses of amplitude equal to said regulated voltages and of constant width.
Claim 2
Dependent Claim
88 words
A pulse generator circuit for generating timed pulses of regulated amplitude and constant width comprising: oscillator means for providing timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producing output timed pulses of amplitude equal to said regulated voltages and of constant width.
Claim 3
Dependent Claim
20 words
A pulse generator circuit according to claim 1 wherein said trigger circuit means includes delay means and feed back means.
Claim 4
Dependent Claim
28 words
A pulse generator circuit according to claim 1 wherein said voltage conversion means comprises adjustable regulated high voltage supply means and a fixed unregulated low voltage supply means.
Claim 5
Dependent Claim
16 words
A pulse generator circuit according to claim 1 said voltage conversion means includes over voltage-limiting means.
Claim 6
Dependent Claim
17 words
A pulse generator circuit according to claim 4 wherein said over voltage-limiting means defines a feedback circuit.
Claim 7
Dependent Claim
17 words
A pulse generator circuit according to claim 4 wherein said over voltage-limiting means defines shunt regulating means.
Claim 8
Dependent Claim
39 words
A pulse generator circuit according to claim 1 further including power supply means defining rechargeable battery means for supplying a predetermined voltage and said voltage conversion means includes means for preventing discharge failure modes of said rechargeable battery means.
Claim 9
Dependent Claim
23 words
A pulse generator circuit according to claim 1 wherein said oscillator means and trigger circuit means comprise complementary metal oxide silicon (CMOS) devices.
Claim 10
Dependent Claim
121 words
A nerve stimulating device for stimulating nerves of a body comprising: oscillator means for producing variable rate timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals in response thereto; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producting output timed pulses of amplitude equal to said regulated voltages and of constant width; and electrode means connected to said switching means and adapted to be secured to a selected area of a body so that said timed pulses stimulate the nerves at said selected area.
Claim 11
Dependent Claim
121 words
A nerve stimulating device for stimulating nerves of a body comprising: oscillator means for producing variable rate timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals in response thereto; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producting output timed pulses of amplitude equal to said regulated voltages and of constant width; and electrode means connected to said switching means and adapted to be secured to a selected area of a body so that said timed pulses stimulate the nerves at said selected area.
Claim 12
Dependent Claim
22 words
A nerve stimulating device according to claim 9 wherein said adjustable regulated voltages are of substantially equal amplitude and of opposite polarity.
Claim 13
Dependent Claim
27 words
A nerve stimulating device according to claim 9 wherein said voltage conversion means includes over voltage-limiting means for preventing the regulated voltages from exceeding a predetermined level.
Claim 14
Dependent Claim
17 words
A nerve stimulating device according to claim 9 further including power supply means defining rechargeable battery means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |